來源 láiyuán HSK4 source Origin Definitions Defs Strokes Stroke Words Sentences Sents láiyuán source · to originate 来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen源 yuán noun origin (bound form) root; origin; the starting cause or basis of somethingláiyuán source of a river 来 來 lái verb to come To come; to arrive; to move toward the speaker; to crop up or happen源 yuán noun source (bound form) source of a river; fountainhead; starting point of a stream